<template>
    <div class="wrap">
        <div class="nav_left" id="navLeft">
            <div class="nav_content">
                <span :class="{ active: ind === bool }" v-for="(item, ind) in arr" :key="item.id" @click="clkBtn(ind)">{{ item.first_name }}</span>
            </div>
        </div>
        <div class="down">
            <i class="iconfont icon-xiajiantoubeifen gray"></i>
        </div>
    </div>
</template>

<script>
export default {
    data() {
        return {
            arr: [
                {
                    first_id: '0',
                    first_name: '热门',
                },
                {
                    first_id: '621',
                    first_name: '\u5496\u5561',
                },
                {
                    first_id: '627',
                    first_name: '\u996e\u98df',
                },
                {
                    first_id: '279',
                    first_name: '\u7537\u88c5',
                },
                {
                    first_id: '294',
                    first_name: '\u5973\u88c5',
                },
                {
                    first_id: '122',
                    first_name: '\u773c\u955c',
                },
                {
                    first_id: '339',
                    first_name: '\u5185\u8863\u914d\u9970',
                },
                {
                    first_id: '391',
                    first_name: '\u6bcd\u5a74',
                },
                {
                    first_id: '35',
                    first_name: '\u978b\u9774',
                },
                {
                    first_id: '39',
                    first_name: '\u8fd0\u52a8',
                },
                {
                    first_id: '153',
                    first_name: '\u7bb1\u5305',
                },
                {
                    first_id: '119',
                    first_name: '\u7f8e\u5986\u4e2a\u62a4',
                },
                {
                    first_id: '355',
                    first_name: '\u5bb6\u7eba',
                },
                {
                    first_id: '51',
                    first_name: '\u9910\u53a8',
                },
                {
                    first_id: '334',
                    first_name: '\u7535\u5668',
                },
                {
                    first_id: '369',
                    first_name: '\u5bb6\u88c5',
                },
                {
                    first_id: '10',
                    first_name: '\u5bb6\u5177',
                },
                {
                    first_id: '223',
                    first_name: '\u6570\u7801',
                },
                {
                    first_id: '429',
                    first_name: '\u6c7d\u914d',
                },
                {
                    first_id: '546',
                    first_name: '\u5065\u5eb7\u4fdd\u5065',
                },
                {
                    first_id: '433',
                    first_name: '\u5b9a\u5236',
                },
            ],
            bool: false,
        }
    },
    methods: {
        clkBtn(i) {
            this.bool = i
        },
    },
}
</script>

<style>
.wrap {
    width: 100%;
    display: flex;
    margin: 0.2rem 0 0 0;
    position: relative;
}

/*左侧的导航样式*/
.nav_left {
    width: 21.1875rem;
    overflow: scroll;
}

.nav_left::-webkit-scrollbar {
    display: none;
}

.nav_content {
    white-space: nowrap;
    padding: 0 0.7rem;
}

.nav_content span {
    display: inline-block;
    padding: 0.4rem 0.6rem;
    font-size: 0.875rem;
}

.nav_content .active {
    border-bottom: 2px solid #7f4395;
    color: #7f4395;
}

.nav_left,
.down {
    float: left;
}

/*右侧导航部分*/
.down {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gray {
    color: gray;
    display: inline-block;
    vertical-align: middle;
}
</style>
